December 2014
Beginner to intermediate
240 pages
6h 54m
English
book
Learning MIT App Inventor: A Hands-On Guide to Building Your Own Android Apps
by Derek Walter, Mark Sherman
Content preview from Learning MIT App Inventor: A Hands-On Guide to Building Your Own Android Apps
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Version Codes
Apps that are published to Google Play require a VersionCode and VersionName. These are managed in the Designer, inside the Properties panel of the Screen1 component (see Figure 12.17). Google Play and the Android system use these codes to know when apps need to be updated.
Figure 12.17 The VersionCode and VersionName are found in the Properties box of Screen1.
The VersionCode is the number that really matters for update tracking. It must always be a whole number, and each new version of the app (which you submit) must have a greater value than the previous version. The user never sees this number, but the user’s phone updates ...
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